net.mograsim.logic.ui/src/net/mograsim/logic/ui/model/components/atomic/SimpleRectangularGUIGate.java

   1 package net.mograsim.logic.ui.model.components.atomic;
   2
   3 import java.util.ArrayList;
   4 import java.util.List;
   5
   6 import org.eclipse.swt.graphics.Color;
   7
   8 import net.haspamelodica.swt.helper.gcs.GeneralGC;
   9 import net.haspamelodica.swt.helper.swtobjectwrappers.Font;
  10 import net.haspamelodica.swt.helper.swtobjectwrappers.Point;
  11 import net.haspamelodica.swt.helper.swtobjectwrappers.Rectangle;
  12 import net.mograsim.logic.ui.model.ViewModelModifiable;
  13 import net.mograsim.logic.ui.model.components.GUIComponent;
  14 import net.mograsim.logic.ui.model.wires.MovablePin;
  15 import net.mograsim.logic.ui.model.wires.Pin;
  16 import net.mograsim.preferences.Preferences;
  17
  18 public class SimpleRectangularGUIGate extends GUIComponent
  19 {
  20         private static final double width = 20;
  21         private static final double pinDistance = 10;
  22         private static final double fontHeight = 5;
  23         private static final double invertedCircleDiam = 3.5;
  24
  25         private final String label;
  26         protected final int logicWidth;
  27         private final boolean isInverted;
  28         private final double rectWidth;
  29
  30         private MovablePin outputPin;
  31         private final List<Pin> inputPins;
  32
  33         public static final String kLogicWidth = "logicWidth";
  34
  35         protected SimpleRectangularGUIGate(ViewModelModifiable model, int logicWidth, String label, boolean isInverted)
  36         {
  37                 super(model);
  38                 this.label = label;
  39                 this.logicWidth = logicWidth;
  40                 this.isInverted = isInverted;
  41                 this.rectWidth = width - (isInverted ? invertedCircleDiam : 0);
  42                 this.outputPin = new MovablePin(this, "Y", logicWidth, width, 0);
  43                 addPin(outputPin);
  44                 this.inputPins = new ArrayList<>();
  45                 setInputCount(1);
  46         }
  47
  48         protected void setInputCount(int inputCount)
  49         {
  50                 int oldInputCount = inputPins.size();
  51                 setSize(width, inputCount * pinDistance);
  52                 if (oldInputCount > inputCount)
  53                         while (inputPins.size() > inputCount)
  54                                 removePin(inputPins.remove(inputCount).name);
  55                 else if (oldInputCount < inputCount)
  56                         for (int i = oldInputCount; i < inputCount; i++)
  57                         {
  58                                 // TODO what for more than 24 input pins?
  59                                 Pin pin = new Pin(this, String.valueOf((char) ('A' + i)), logicWidth, 0, pinDistance / 2 + i * pinDistance);
  60                                 inputPins.add(pin);
  61                                 addPin(pin);
  62                         }
  63                 outputPin.setRelPos(width, inputCount * pinDistance / 2);
  64         }
  65
  66         @Override
  67         public void render(GeneralGC gc, Rectangle visibleRegion)
  68         {
  69                 Color foreground = Preferences.current().getColor("net.mograsim.logic.ui.color.foreground");
  70                 if (foreground != null)
  71                         gc.setForeground(foreground);
  72                 double height = (getPins().size() - 1) * pinDistance;
  73                 gc.drawRectangle(getPosX(), getPosY(), rectWidth, height);
  74                 if (isInverted)
  75                         gc.drawOval(getPosX() + rectWidth, getPosY() + (height - invertedCircleDiam) / 2, invertedCircleDiam, invertedCircleDiam);
  76                 Font oldFont = gc.getFont();
  77                 Font labelFont = new Font(oldFont.getName(), fontHeight, oldFont.getStyle());
  78                 gc.setFont(labelFont);
  79                 Point textExtent = gc.textExtent(label);
  80                 Color textColor = Preferences.current().getColor("net.mograsim.logic.ui.color.text");
  81                 if (textColor != null)
  82                         gc.setForeground(textColor);
  83                 gc.drawText(label, getPosX() + (rectWidth - textExtent.x) / 2, getPosY() + (height - textExtent.y) / 2, true);
  84                 gc.setFont(oldFont);
  85         }
  86 }